C1111233133313231133133313331333133313231331133133313331313113313133111311   >>    C111123313331323113313331333133313331323133113313331333131311331313311131   <<    C1111233133313231133133313331333133313231331133133313331313113313133111313   >>      C1111233133313231133133313331333133313231331133133313331313113313133111312   >>