1: (0 4 13)

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

2: (3 19 5)

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

3: (4 15 6)

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

4: (11 16 14)

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