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

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

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

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

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