1: (0 3 17)

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

2: (2 19 13)

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

3: (1 20 17)

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

4: (0 5 19)

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