C111123313121111121111331333133313331323132333133313331322331333231311211321   >>    C11112331312111112111133133313331333132313233313331333132233133323131121132   <<    C111123313121111121111331333133313331323132333133313331322331333231311211323   >>      C111123313121111121111331333133313331323132333133313331322331333231311211322   >>