1: (0 1 18)

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

2: (6 18 21)

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

3: (2 19 16)

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

4: (1 20 18)

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