C31232233133313221211113313331311331333133313331323132313231312321   >>    C3123223313331322121111331333131133133313331333132313231323131232   <<    C31232233133313221211113313331311331333133313331323132313231312323   >>      C31232233133313221211113313331311331333133313331323132313231312322   >>