1: (0 10 16)

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

2: (7 17 12)

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

3: (5 20 16)

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

4: (1 8 6)

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