1: (1 8 19)

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

2: (7 20 9)

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

3: (0 18 2)

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

4: (1 17 3)

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