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