C313212111133131211331333133313331333133313231333133313311211113313231333223311   >>    C31321211113313121133133313331333133313331323133313331331121111331323133322331   <<    C313212111133131211331333133313331333133313231333133313311211113313231333223313   >>      C313212111133131211331333133313331333133313231333133313311211113313231333223312   >>