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