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

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

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

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

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