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

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

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

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

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