1: (0 5 15)

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

2: (4 18 6)

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

3: (5 17 12)

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

4: (11 16 14)

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