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

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

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

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

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