1: (0 4 6)

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

2: (2 8 5)

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

3: (4 15 17)

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

4: (13 19 16)

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