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