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