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

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

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

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

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