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

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

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

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

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