1: (0 1 15)

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

2: (5 15 20)

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

3: (13 21 17)

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

4: (12 16 14)

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