1: (2 7 14)

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

2: (1 8 6)

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

3: (7 16 9)

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

4: (5 17 15)

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