1: (0 1 15)

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

2: (4 15 19)

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

3: (3 17 13)

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

4: (10 16 14)

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