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