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

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

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

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

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