2-state 4-symbol also formerly best (cited from P.Michel)

Comment: This TM produces 90 nonzeros in 7195 steps.

State on
0
on
1
on
2
on
3
on 0 on 1 on 2 on 3
Print Move Goto Print Move Goto Print Move Goto Print Move Goto
A 1RB 3LA 1LA 1RA 1 right B 3 left A 1 left A 1 right A
B 2LA 1RH 3RA 3RB 2 left A 1 right H 3 right A 3 right B
Transition table
The same TM just simple.
The same TM with repetitions reduced.
The same TM with tape symbol exponents.
The same TM as 1-macro machine.
Simulation is done as 1-macro machine with pure additive config-TRs.

Pushing initial machine.
Pushing macro factor 1.

Steps             BasSteps              BasTpos  Tape contents
    0                    0                    0  A>
    1                    1                    1  1 B>
    2                    2                    0  1 <A 2
    3                    3                   -1  <A 3 2
    4                    4                    0  1 B> 3 2
    5                    5                    1  1 3 B> 2
    6                    6                    2  1 32 A>
    7                    7                    3  1 32 1 B>
    8                    8                    2  1 32 1 <A 2
    9                    9                    1  1 32 <A 3 2
   10                   10                    2  1 3 1 A> 3 2
   11                   11                    3  1 3 12 A> 2
   12                   12                    2  1 3 12 <A 1
   13                   14                    0  1 3 <A 32 1
   14                   15                    1  12 A> 32 1
   15                   17                    3  14 A> 1
   16                   18                    2  14 <A 3
   17                   22                   -2  <A 35
   18                   23                   -1  1 B> 35
   19                   28                    4  1 35 B>
   20                   29                    3  1 35 <A 2
   21                   30                    4  1 34 1 A> 2
   22                   31                    3  1 34 1 <A 1
   23                   32                    2  1 34 <A 3 1
   24                   33                    3  1 33 1 A> 3 1
   25                   34                    4  1 33 12 A> 1
   26                   35                    3  1 33 12 <A 3
   27                   37                    1  1 33 <A 33
   28                   38                    2  1 32 1 A> 33
   29                   41                    5  1 32 14 A>
   30                   42                    6  1 32 15 B>
   31                   43                    5  1 32 15 <A 2
   32                   48                    0  1 32 <A 35 2
   33                   49                    1  1 3 1 A> 35 2
   34                   54                    6  1 3 16 A> 2
>> Try to prove a PA-CTR with 2 Vars...
    0                    0                    0  [*]* 34+V(2) 11+V(1) A> 2
    1                    1                   -1  [*]* 34+V(2) 11+V(1) <A 1
    2               2+V(1)           -2+-1*V(1)  [*]* 34+V(2) <A 31+V(1) 1
    3               3+V(1)           -1+-1*V(1)  [*]* 33+V(2) 1 A> 31+V(1) 1
    4             4+2*V(1)                    0  [*]* 33+V(2) 12+V(1) A> 1
    5             5+2*V(1)                   -1  [*]* 33+V(2) 12+V(1) <A 3
    6             7+3*V(1)           -3+-1*V(1)  [*]* 33+V(2) <A 33+V(1)
    7             8+3*V(1)           -2+-1*V(1)  [*]* 32+V(2) 1 A> 33+V(1)
    8            11+4*V(1)                    1  [*]* 32+V(2) 14+V(1) A>
    9            12+4*V(1)                    2  [*]* 32+V(2) 15+V(1) B>
   10            13+4*V(1)                    1  [*]* 32+V(2) 15+V(1) <A 2
   11            18+5*V(1)           -4+-1*V(1)  [*]* 32+V(2) <A 35+V(1) 2
   12            19+5*V(1)           -3+-1*V(1)  [*]* 31+V(2) 1 A> 35+V(1) 2
   13            24+6*V(1)                    2  [*]* 31+V(2) 16+V(1) A> 2
<< Success! ==> defined new CTR 1 (PA)
   35                   55                    5  1 3 16 <A 1
   36                   61                   -1  1 3 <A 36 1
   37                   62                    0  12 A> 36 1
   38                   68                    6  18 A> 1
   39                   69                    5  18 <A 3
   40                   77                   -3  <A 39
   41                   78                   -2  1 B> 39
   42                   87                    7  1 39 B>
   43                   88                    6  1 39 <A 2
   44                   89                    7  1 38 1 A> 2
>> Try to prove a PPA-CTR with 2 Vars...
    0                    0                    0  11+V(2) 3 12+V(1) A> 2
    1                    1                   -1  11+V(2) 3 12+V(1) <A 1
    2               3+V(1)           -3+-1*V(1)  11+V(2) 3 <A 32+V(1) 1
    3               4+V(1)           -2+-1*V(1)  12+V(2) A> 32+V(1) 1
    4             6+2*V(1)                    0  14+V(1)+V(2) A> 1
    5             7+2*V(1)                   -1  14+V(1)+V(2) <A 3
    6       11+3*V(1)+V(2)   -5+-1*V(1)+-1*V(2)  <A 35+V(1)+V(2)
    7       12+3*V(1)+V(2)   -4+-1*V(1)+-1*V(2)  1 B> 35+V(1)+V(2)
    8     17+4*V(1)+2*V(2)                    1  1 35+V(1)+V(2) B>
    9     18+4*V(1)+2*V(2)                    0  1 35+V(1)+V(2) <A 2
   10     19+4*V(1)+2*V(2)                    1  1 34+V(1)+V(2) 1 A> 2
<< Success! ==> defined new CTR 2 (PPA)
   44                   89                    7  1 38 1 A> 2
== Executing  PA-CTR  1, V(1)=0, V(2)=4, repcount=2, factor=5/3
   70                  167                   11  1 32 111 A> 2
   71                  168                   10  1 32 111 <A 1
   72                  179                   -1  1 32 <A 311 1
   73                  180                    0  1 3 1 A> 311 1
   74                  191                   11  1 3 112 A> 1
   75                  192                   10  1 3 112 <A 3
   76                  204                   -2  1 3 <A 313
   77                  205                   -1  12 A> 313
   78                  218                   12  115 A>
   79                  219                   13  116 B>
   80                  220                   12  116 <A 2
   81                  236                   -4  <A 316 2
   82                  237                   -3  1 B> 316 2
   83                  253                   13  1 316 B> 2
   84                  254                   14  1 317 A>
   85                  255                   15  1 317 1 B>
   86                  256                   14  1 317 1 <A 2
   87                  257                   13  1 317 <A 3 2
   88                  258                   14  1 316 1 A> 3 2
   89                  259                   15  1 316 12 A> 2
>> Try to prove a PPA-CTR with 2 Vars...
    0                    0                    0  11+V(2) 32 11+V(1) A> 2
    1                    1                   -1  11+V(2) 32 11+V(1) <A 1
    2               2+V(1)           -2+-1*V(1)  11+V(2) 32 <A 31+V(1) 1
    3               3+V(1)           -1+-1*V(1)  11+V(2) 3 1 A> 31+V(1) 1
    4             4+2*V(1)                    0  11+V(2) 3 12+V(1) A> 1
    5             5+2*V(1)                   -1  11+V(2) 3 12+V(1) <A 3
    6             7+3*V(1)           -3+-1*V(1)  11+V(2) 3 <A 33+V(1)
    7             8+3*V(1)           -2+-1*V(1)  12+V(2) A> 33+V(1)
    8            11+4*V(1)                    1  15+V(1)+V(2) A>
    9            12+4*V(1)                    2  16+V(1)+V(2) B>
   10            13+4*V(1)                    1  16+V(1)+V(2) <A 2
   11       19+5*V(1)+V(2)   -5+-1*V(1)+-1*V(2)  <A 36+V(1)+V(2) 2
   12       20+5*V(1)+V(2)   -4+-1*V(1)+-1*V(2)  1 B> 36+V(1)+V(2) 2
   13     26+6*V(1)+2*V(2)                    2  1 36+V(1)+V(2) B> 2
   14     27+6*V(1)+2*V(2)                    3  1 37+V(1)+V(2) A>
   15     28+6*V(1)+2*V(2)                    4  1 37+V(1)+V(2) 1 B>
   16     29+6*V(1)+2*V(2)                    3  1 37+V(1)+V(2) 1 <A 2
   17     30+6*V(1)+2*V(2)                    2  1 37+V(1)+V(2) <A 3 2
   18     31+6*V(1)+2*V(2)                    3  1 36+V(1)+V(2) 1 A> 3 2
   19     32+6*V(1)+2*V(2)                    4  1 36+V(1)+V(2) 12 A> 2
<< Success! ==> defined new CTR 3 (PPA)
   89                  259                   15  1 316 12 A> 2
== Executing  PA-CTR  1, V(1)=1, V(2)=12, repcount=5, factor=5/3
  154                  709                   25  1 3 127 A> 2
== Executing PPA-CTR  2 (once), V(1)=25, V(2)=0
  164                  828                   26  1 329 1 A> 2
== Executing  PA-CTR  1, V(1)=0, V(2)=25, repcount=9, factor=5/3
  281                 2124                   44  1 32 146 A> 2
== Executing PPA-CTR  3 (once), V(1)=45, V(2)=0
  300                 2426                   48  1 351 12 A> 2
== Executing  PA-CTR  1, V(1)=1, V(2)=47, repcount=16, factor=5/3
  508                 6506                   80  1 33 182 A> 2
  509                 6507                   79  1 33 182 <A 1
  510                 6589                   -3  1 33 <A 382 1
  511                 6590                   -2  1 32 1 A> 382 1
  512                 6672                   80  1 32 183 A> 1
  513                 6673                   79  1 32 183 <A 3
  514                 6756                   -4  1 32 <A 384
  515                 6757                   -3  1 3 1 A> 384
  516                 6841                   81  1 3 185 A>
  517                 6842                   82  1 3 186 B>
  518                 6843                   81  1 3 186 <A 2
  519                 6929                   -5  1 3 <A 386 2
  520                 6930                   -4  12 A> 386 2
  521                 7016                   82  188 A> 2
  522                 7017                   81  188 <A 1
  523                 7105                   -7  <A 388 1
  524                 7106                   -6  1 B> 388 1
  525                 7194                   82  1 388 B> 1
  526                 7195                   83  1 388 1 H>
  526                 7195                   83  1 388 1 H>   [stop]

Lines:       89
Top steps:   87
Macro steps: 526
Basic steps: 7195
Tape index:  83
nonzeros:    90
log10(nonzeros):    1.954
log10(steps   ):    3.857
Run state:   stop

The same TM just simple.
The same TM with repetitions reduced.
The same TM with tape symbol exponents.
The same TM as 1-macro machine.

To the BB simulations page of Heiner Marxen.
To the busy beaver page of Heiner Marxen.
To the home page of Heiner Marxen.
Input to awk program:
    gohalt 1
    nbs 4
    T 2-state 4-symbol also formerly best (cited from P.Michel)
    : 90 7195
    5T  1RB 3LA 1LA 1RA  2LA 1RH 3RA 3RB
    L 6
    M	201
    pref	sim
    machv TM24_b  	just simple
    machv TM24_b-r	with repetitions reduced
    machv TM24_b-1	with tape symbol exponents
    machv TM24_b-m	as 1-macro machine
    machv TM24_b-a	as 1-macro machine with pure additive config-TRs
    iam	TM24_b-a
    mtype	1
    mmtyp	3
    r	1
    H	1
    mac	0
    E	2
    sympr	
    HM	1
    date	Tue Jul  6 22:12:36 CEST 2010
    edate	Tue Jul  6 22:12:36 CEST 2010
    bnspeed	1

Constructed by: $Id: tmJob.awk,v 1.34 2010/05/06 18:26:17 heiner Exp $ $Id: basics.awk,v 1.1 2010/05/06 17:24:17 heiner Exp $ $Id: htSupp.awk,v 1.14 2010/07/06 19:48:32 heiner Exp $ $Id: mmSim.awk,v 1.34 2005/01/09 22:23:28 heiner Exp $ $Id: bignum.awk,v 1.34 2010/05/06 17:58:14 heiner Exp $ $Id: varLI.awk,v 1.11 2005/01/15 21:01:29 heiner Exp $ bignum signature: LEN={S++:9 U++:9 S+:8 U+:8 S*:4 U*:4} DONT: y i o;
Start: Tue Jul 6 22:12:36 CEST 2010
Ready: Tue Jul 6 22:12:36 CEST 2010