1: (0 1 3)

(0)(1 19 17 13 3 7 4)(2 21 20 18 6)(5 11 9)(8 15 14)(10 16 12)

2: (3 7 19)

(0)(1 19 4)(2 21 20 18 6)(3 17 13)(5 11 9)(7)(8 15 14)(10 16 12)

3: (6 20 18)

(0)(1 19 4)(2 21 20)(3 17 13)(5 11 9)(6)(7)(8 15 14)(10 16 12)(18)

4: (1 19 4)

(0)(1)(2 21 20)(3 17 13)(4)(5 11 9)(6)(7)(8 15 14)(10 16 12)(18)(19)