1: (0 2 11)

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

2: (1 18 3)

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

3: (7 21 17)

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

4: (2 20 4)

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