1: (1 3 17)

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

2: (0 4 2)

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

3: (3 19 6)

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

4: (16 20 18)

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