C1111233133313231133133313331333133313233231133133313331322132312323311   >>    C111123313331323113313331333133313331323323113313331333132213231232331   <<    C1111233133313231133133313331333133313233231133133313331322132312323313   >>      C1111233133313231133133313331333133313233231133133313331322132312323312   >>