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

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

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

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

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