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

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

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

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

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