1: (0 4 15)

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

2: (2 19 5)

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

3: (4 17 10)

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

4: (14 18 16)

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