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

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

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

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

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