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

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

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

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

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