1: (0 7 12)

(0)(1 19 10)(2 20 17)(3 7 13 12 5)(4 11 9)(6 15 8)(14 18 16)

2: (1 19 10)

(0)(1)(2 20 17)(3 7 13 12 5)(4 11 9)(6 15 8)(10)(14 18 16)(19)

3: (4 11 9)

(0)(1)(2 20 17)(3 7 13 12 5)(4)(6 15 8)(9)(10)(11)(14 18 16)(19)

4: (3 7 13)

(0)(1)(2 20 17)(3 12 5)(4)(6 15 8)(7)(9)(10)(11)(13)(14 18 16)(19)