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