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

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

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

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

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