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