1: (1 8 18)

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

2: (0 15 2)

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

3: (4 19 17)

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

4: (1 16 7)

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