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