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