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