C1111233133313231133133313331333133313231312111133132313111323331333111   >>    C111123313331323113313331333133313331323131211113313231311132333133311   <<    C1111233133313231133133313331333133313231312111133132313111323331333113   >>      C1111233133313231133133313331333133313231312111133132313111323331333112   >>