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

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

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

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

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