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

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

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

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

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