1: (0 6 15)

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

2: (5 17 13)

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

3: (4 9 15)

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

4: (11 19 14)

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