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

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

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

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

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