1: (2 7 18)

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

2: (6 20 8)

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

3: (0 19 17)

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

4: (3 13 18)

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