C1111121111331311211331333133313331333133313231333133313331333132112323323311   >>    C111112111133131121133133313331333133313331323133313331333133313211232332331   <<    C1111121111331311211331333133313331333133313231333133313331333132112323323313   >>      C1111121111331311211331333133313331333133313231333133313331333132112323323312   >>