1: (0 2 6)

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

2: (1 8 3)

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

3: (2 6 18)

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

4: (6 18 21)

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