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