(0 21 2)(1 6 3 7 4)(5 13 8)(9 15 10)(11 18 12)(14 19 16)(17 22 20)
ALLOWS (11/8)-SEQUENCE
1: (1 6 9)

(0 21 2)(1 15 10 9 3 7 4)(5 13 8)(6)(11 18 12)(14 19 16)(17 22 20)
2: (5 13 8)

(0 21 2)(1 15 10 9 3 7 4)(5)(6)(8)(11 18 12)(13)(14 19 16)(17 22 20)
3: (1 15 10)

(0 21 2)(1 9 3 7 4)(5)(6)(8)(10)(11 18 12)(13)(14 19 16)(15)(17 22 20)
4: (3 7 9)

(0 21 2)(1 9 4)(3)(5)(6)(7)(8)(10)(11 18 12)(13)(14 19 16)(15)(17 22 20)