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

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

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

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

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