1: (0 2 12)

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

2: (1 19 3)

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

3: (2 14 4)

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

4: (6 15 13)

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