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