1: (0 1 12)

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

2: (3 12 18)

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

3: (8 19 15)

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

4: (2 11 4)

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