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

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

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

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

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