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