C313212111133131211331333133313331333133313231323133313331333133313331322221   >>    C31321211113313121133133313331333133313331323132313331333133313331333132222   <<    C313212111133131211331333133313331333133313231323133313331333133313331322223   >>      C313212111133131211331333133313331333133313231323133313331333133313331322222   >>