1: (0 5 8)

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

2: (2 9 7)

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

3: (4 11 6)

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

4: (3 12 8)

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