1: (0 5 8)

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

2: (8 12 18)

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

3: (7 16 9)

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

4: (11 17 13)

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