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