C1111233133313231133133313231333133313113313113313331322331322311313331   >>    C111123313331323113313331323133313331311331311331333132233132231131333   <<    C1111233133313231133133313231333133313113313113313331322331322311313333   >>      C1111233133313231133133313231333133313113313113313331322331322311313332   >>