C31232233133313221211113313331333132313331333133313231323333311   >>    C3123223313331322121111331333133313231333133313331323132333331   <<    C31232233133313221211113313331333132313331333133313231323333313   >>      C31232233133313221211113313331333132313331333133313231323333312   >>