C1111133313331323223313331333133313112113313113313331323112113331   >>    C111113331333132322331333133313331311211331311331333132311211333   <<    C1111133313331323223313331333133313112113313113313331323112113333   >>      C1111133313331323223313331333133313112113313113313331323112113332   >>