1: (0 2 16)

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

2: (4 16 21)

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

3: (2 20 13)

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

4: (11 17 15)

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