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

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

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

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

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