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