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

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

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

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

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