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

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

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

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

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