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

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

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

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

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