1: (0 1 2)

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

2: (1 5 18)

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

3: (3 21 15)

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

4: (14 19 17)

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