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

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

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

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

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