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

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

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

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

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