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