1: (0 8 11)

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

2: (7 14 9)

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

3: (1 16 13)

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

4: (10 17 15)

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