《认知机器人》（英文版） Fast Solutions to CSp's

I RGB 受 Backmarking example 000 40000 290Q 390 50 Suppose no element of the domain of the 5th variable is consistent with the first element of the domain of the first variable 上〓 Backmarking example domain 20 4◎0

Backmarking example Variable # 1 2 3 4 5 0 0 0 0 0 B 5 4 3 2 1 i mbl R G 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Remaining domain Suppose no element of the domain of the 5th variable is consistent with the first element of the domain of the first variable Backmarking example Variable # 1 2 3 4 5 0 0 0 0 0 B 5 4 3 2 1 i mbl R G 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 Remaining domain

I RGB 受 Backmarking example 000 3000 2○0 4◎○ Skipping a step 上〓 Backmarking example domain 20

Backmarking example Variable # 1 2 3 4 5 0 0 0 0 0 B 5 4 3 2 1 i mbl R G 0 0 0 3 0 0 2 0 0 1 0 0 0 0 0 Remaining domain Skipping a step Backmarking example Variable # 1 2 3 4 5 0 0 0 0 0 B 5 4 3 2 1 i mbl R G 1 0 0 3 0 0 2 0 0 1 0 0 0 0 0 Remaining domain X X

R B 受 Backmarking example G0000 000 2○0 4◎○ 夏 上〓 Backmarking example domain 20 5鱼Q

Backmarking example Variable # 1 2 3 4 5 0 0 0 0 0 B 5 4 3 2 1 i mbl R G 1 1 0 3 0 0 2 0 0 1 0 0 0 0 0 Remaining domain X X X Backmarking example Variable # 1 2 3 4 5 1 0 0 0 0 B 5 4 3 2 1 i mbl R G 1 1 4 3 0 0 2 0 0 1 0 0 0 0 0 Remaining domain X X X X

R B 受 Backmarking example G0000 000 2○0 夏Q B Backmarking example 0003 domain 20 4Q○

Backmarking example Variable # 1 2 3 4 5 1 0 0 0 0 B 5 4 3 2 1 i mbl R G 1 1 4 3 0 0 2 0 0 1 0 0 0 0 0 Remaining domain X X Backmarking example Variable # 1 2 3 4 5 1 0 0 0 0 B 5 4 3 2 1 i mbl R G 1 1 4 3 3 0 2 0 0 1 0 0 0 0 0 Remaining domain X