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