1: (0 4 7)

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

2: (5 11 18)

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

3: (2 19 15)

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

4: (10 16 12)

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