1: (0 3 7)

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

2: (2 8 4)

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

3: (1 20 7)

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

4: (6 21 19)

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