1: (0 2 5)

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

2: (1 6 3)

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

3: (2 16 18)

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

4: (15 19 17)

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