1: (0 8 13)

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

2: (7 16 10)

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

3: (6 18 13)

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

4: (14 19 17)

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