1: (0 2 12)

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

2: (1 20 3)

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

3: (2 14 4)

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

4: (9 18 13)

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