1: (0 1 7)

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

2: (3 7 19)

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

3: (6 20 8)

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

4: (2 9 4)

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