(0 21 4)(1 11 2)(3 17 10 7 6)(5 12 8)(9 15 13)(14 19 16)(18 22 20)
ALLOWS (11/8)-SEQUENCE
1: (0 1 4)

(0)(1 21 4 11 2)(3 17 10 7 6)(5 12 8)(9 15 13)(14 19 16)(18 22 20)
2: (2 4 11)

(0)(1 21 4)(2)(3 17 10 7 6)(5 12 8)(9 15 13)(11)(14 19 16)(18 22 20)
3: (3 17 6)

(0)(1 21 4)(2)(3)(5 12 8)(6 10 7)(9 15 13)(11)(14 19 16)(17)(18 22 20)
4: (5 12 8)

(0)(1 21 4)(2)(3)(5)(6 10 7)(8)(9 15 13)(11)(12)(14 19 16)(17)(18 22 20)