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

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

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

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

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