C111113331333132322331333133313331311331323133313331311213112121   >>    C11111333133313232233133313331333131133132313331333131121311212   <<    C111113331333132322331333133313331311331323133313331311213112123   >>      C111113331333132322331333133313331311331323133313331311213112122   >>