1: (0 5 8)

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

2: (3 9 7)

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

3: (2 21 4)

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

4: (0 6 17)

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