1: (0 3 7)

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

2: (2 17 4)

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

3: (1 21 8)

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

4: (3 19 6)

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