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