1: (0 3 11)

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

2: (1 19 6)

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

3: (9 20 11)

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

4: (2 17 4)

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