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