1: (1 3 16)

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

2: (0 4 2)

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

3: (3 20 13)

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

4: (7 17 15)

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