1: (0 5 7)

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

2: (4 9 6)

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

3: (3 15 7)

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

4: (2 21 14)

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