1: (0 3 18)

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

2: (1 21 4)

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

3: (3 20 9)

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

4: (7 19 17)

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