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