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

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

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

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

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