1: (1 4 16)

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

2: (3 19 5)

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

3: (0 8 2)

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

4: (4 20 15)

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