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

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

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

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

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