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

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

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

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

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