1: (0 1 2)

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

2: (1 4 18)

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

3: (3 19 8)

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

4: (2 21 18)

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