1: (0 3 15)

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

2: (2 19 5)

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

3: (3 17 6)

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

4: (14 18 16)

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