C1111133313331323223313331333133313331323131233132313331311211323331   >>    C111113331333132322331333133313331333132313123313231333131121132333   <<    C1111133313331323223313331333133313331323131233132313331311211323333   >>      C1111133313331323223313331333133313331323131233132313331311211323332   >>