1: (0 3 16)

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

2: (1 21 13)

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

3: (0 11 16)

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

4: (7 14 12)

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