1: (1 5 18)

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

2: (5 9 16)

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

3: (4 11 8)

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

4: (13 19 17)

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