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