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