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