C11111211113313112113313331333132313331322132333132313331311331322311111   >>    C1111121111331311211331333133313231333132213233313231333131133132231111   <<    C11111211113313112113313331333132313331322132333132313331311331322311113   >>      C11111211113313112113313331333132313331322132333132313331311331322311112   >>