1: (1 5 7)

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

2: (4 15 6)

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

3: (1 17 10)

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

4: (13 19 16)

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