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

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

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

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

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