1: (0 3 7)

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

2: (2 21 4)

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

3: (7 11 20)

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

4: (5 15 8)

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