1: (2 15 19)

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

2: (7 20 18)

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

3: (0 13 5)

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

4: (4 15 8)

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