C312322331333132212111133133313331323133313331333133311212113311   >>    C31232233133313221211113313331333132313331333133313331121211331   <<    C312322331333132212111133133313331323133313331333133311212113313   >>      C312322331333132212111133133313331323133313331333133311212113312   >>