C11111211113313112113313331333132313331322132333133313331322113121111131333131   >>    C1111121111331311211331333133313231333132213233313331333132211312111113133313   <<    C11111211113313112113313331333132313331322132333133313331322113121111131333133   >>      C11111211113313112113313331333132313331322132333133313331322113121111131333132   >>