C1111233133313231133133313331333132313231333121111121111133322331323323331   >>    C111123313331323113313331333133313231323133312111112111113332233132332333   <<    C1111233133313231133133313331333132313231333121111121111133322331323323333   >>      C1111233133313231133133313331333132313231333121111121111133322331323323332   >>