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