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