1: (0 9 16)

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

2: (6 17 12)

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

3: (4 18 16)

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

4: (10 17 13)

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