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