C1111133313331323223313331333133313331323131233132313331323132322113121   >>    C111113331333132322331333133313331333132313123313231333132313232211312   <<    C1111133313331323223313331333133313331323131233132313331323132322113123   >>      C1111133313331323223313331333133313331323131233132313331323132322113122   >>