C31232233133313221211113313331333132313232233133313123231323131   >>    C3123223313331322121111331333133313231323223313331312323132313   <<    C31232233133313221211113313331333132313232233133313123231323133   >>      C31232233133313221211113313331333132313232233133313123231323132   >>