C3123223313331322121111331333133313231333132212111111223112323131   >>    C312322331333132212111133133313331323133313221211111122311232313   <<    C3123223313331322121111331333133313231333132212111111223112323133   >>      C3123223313331322121111331333133313231333132212111111223112323132   >>