1: (0 1 18)

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

2: (6 18 21)

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

3: (5 19 17)

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

4: (4 20 18)

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