1: (1 5 10)

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

2: (4 15 6)

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

3: (1 17 13)

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

4: (14 19 16)

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