1: (2 10 20)

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

2: (6 20 19)

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

3: (1 14 3)

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

4: (0 17 4)

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