C11111211113313112113313331333132313331322113121111331322113223331   >>    C1111121111331311211331333133313231333132211312111133132211322333   <<    C11111211113313112113313331333132313331322113121111331322113223333   >>      C11111211113313112113313331333132313331322113121111331322113223332   >>