C31232233133313221211113313331333132313232233133313231323331333132333331   >>    C3123223313331322121111331333133313231323223313331323132333133313233333   <<    C31232233133313221211113313331333132313232233133313231323331333132333333   >>      C31232233133313221211113313331333132313232233133313231323331333132333332   >>