(0 17 13)(1 7 5)(2 19 8)(3 20 18)(4 16 15)(6 11 9)(10 14 12)
ALLOWS (11/8)-SEQUENCE
1: (2 4 8)
(0 17 13)(1 7 5)(2)(3 20 18)(4 19 8 16 15)(6 11 9)(10 14 12)
2: (8 16 19)
(0 17 13)(1 7 5)(2)(3 20 18)(4 19 15)(6 11 9)(8)(10 14 12)(16)
3: (0 17 13)
(0)(1 7 5)(2)(3 20 18)(4 19 15)(6 11 9)(8)(10 14 12)(13)(16)(17)
4: (3 20 18)
(0)(1 7 5)(2)(3)(4 19 15)(6 11 9)(8)(10 14 12)(13)(16)(17)(18)(20)