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