1: (0 3 4)

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

2: (8 10 21)

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

3: (7 12 9)

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

4: (3 20 10)

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