1: (1 4 12)

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

2: (0 8 2)

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

3: (3 20 5)

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

4: (4 19 6)

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