C31232233133313221211113313331333132313331323231323132313231323112111   >>    C3123223313331322121111331333133313231333132323132313231323132311211   <<    C31232233133313221211113313331333132313331323231323132313231323112113   >>      C31232233133313221211113313331333132313331323231323132313231323112112   >>