1: (1 5 15)

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

2: (3 21 13)

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

3: (0 20 2)

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

4: (1 12 4)

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