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

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

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

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

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