1: (0 4 12)

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

2: (3 17 8)

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

3: (1 6 12)

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

4: (5 10 7)

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