1: (0 2 15)

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

2: (1 17 8)

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

3: (7 16 14)

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

4: (4 15 19)

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