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