(0 21 15 7 2)(1 20 18 9 3)(4 8 5)(6 12 10)(11 16 13)(14 19 17)
ALLOWS (11/8)-SEQUENCE
1: (0 4 8)

(0 5 4 21 15 7 2)(1 20 18 9 3)(6 12 10)(8)(11 16 13)(14 19 17)
2: (2 15 7)

(0 5 4 21 15)(1 20 18 9 3)(2)(6 12 10)(7)(8)(11 16 13)(14 19 17)
3: (1 20 3)

(0 5 4 21 15)(1)(2)(3 18 9)(6 12 10)(7)(8)(11 16 13)(14 19 17)(20)
4: (0 5 15)

(0)(1)(2)(3 18 9)(4 21 15)(5)(6 12 10)(7)(8)(11 16 13)(14 19 17)(20)