C313212111133131211331333133313331333133313231333133313311211113313221323311   >>    C31321211113313121133133313331333133313331323133313331331121111331322132331   <<    C313212111133131211331333133313331333133313231333133313311211113313221323313   >>      C313212111133131211331333133313331333133313231333133313311211113313221323312   >>