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