1: (0 3 11)

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

2: (1 19 7)

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

3: (8 20 11)

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

4: (2 16 4)

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