4-state Busy Beaver (by A.Brady)

Comment: This TM produces 13 ones in 107 steps.
Comment: Taken (cited) from P.Michel

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

Pushing initial machine.
Pushing macro factor 2.

Steps             BasSteps              BasTpos  Tape contents
    0                    0                    0  A>
    1                    3                   -1  <B 11
    2                    7                   -3  <D 10 11
    3                    8                   -2  01 D> 10 11
    4                   10                    0  012 B> 11
    5                   11                   -1  012 <C 01
    6                   14                    0  01 10 A> 01
    7                   17                   -1  01 10 <D 10
    8                   18                    0  01 11 D> 10
    9                   20                    2  01 11 01 B>
   10                   21                    1  01 11 01 <A 10
   11                   23                   -1  01 11 <A 11 10
   12                   25                   -3  01 <C 01 11 10
   13                   28                   -2  10 A> 01 11 10
   14                   31                   -3  10 <D 10 11 10
   15                   32                   -2  11 D> 10 11 10
   16                   34                    0  11 01 B> 11 10
   17                   35                   -1  11 01 <C 01 10
   18                   38                    0  11 10 A> 01 10
   19                   41                   -1  11 10 <D 102
   20                   42                    0  112 D> 102
   21                   44                    2  112 01 B> 10
   22                   45                    1  112 01 <C
   23                   48                    2  112 10 A>
   24                   51                    1  112 10 <B 11
   25                   53                   -1  112 <B 112
   26                   55                   -3  11 <D 10 112
   27                   56                   -2  10 A> 10 112
   28                   57                   -3  10 <B 10 112
   29                   59                   -5  <B 11 10 112
   30                   63                   -7  <D 10 11 10 112
   31                   64                   -6  01 D> 10 11 10 112
   32                   66                   -4  012 B> 11 10 112
   33                   67                   -5  012 <C 01 10 112
   34                   70                   -4  01 10 A> 01 10 112
   35                   73                   -5  01 10 <D 102 112
   36                   74                   -4  01 11 D> 102 112
   37                   76                   -2  01 11 01 B> 10 112
   38                   77                   -3  01 11 01 <C 00 112
   39                   80                   -2  01 11 10 A> 00 112
   40                   83                   -3  01 11 10 <B 113
   41                   85                   -5  01 11 <B 114
   42                   87                   -7  01 <D 10 114
   43                   88                   -6  A> 10 114
   44                   89                   -7  <B 10 114
   45                   93                   -9  <D 102 114
   46                   94                   -8  01 D> 102 114
   47                   96                   -6  012 B> 10 114
   48                   97                   -7  012 <C 00 114
   49                  100                   -6  01 10 A> 00 114
   50                  103                   -7  01 10 <B 115
   51                  105                   -9  01 <B 116
   52                  107                   -9  10 <H 116   [stop]

Lines:       53
Top steps:   52
Macro steps: 52
Basic steps: 107
Tape index:  -9
ones:        13
log10(ones    ):    1.114
log10(steps   ):    2.029
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 2-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
    T 4-state Busy Beaver (by A.Brady)
    : 13 107
    C Taken (cited) from P.Michel
    5T  1RB 1LB  1LA 0LC  1RH 1LD  1RD 0RA
    L 10
    M	201
    pref	sim
    machv TM42_bb  	just simple
    machv TM42_bb-r	with repetitions reduced
    machv TM42_bb-1	with tape symbol exponents
    machv TM42_bb-m	as 2-macro machine
    machv TM42_bb-a	as 2-macro machine with pure additive config-TRs
    iam	TM42_bb-a
    mtype	2
    mmtyp	3
    r	1
    H	1
    mac	0
    E	2
    sympr	
    HM	1
    date	Tue Jul  6 22:12:33 CEST 2010
    edate	Tue Jul  6 22:12:33 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 22:12:33 CEST 2010
Ready: Tue Jul 6 22:12:33 CEST 2010