1: (0 3 7)

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

2: (2 16 4)

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

3: (1 21 8)

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

4: (3 19 6)

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