C313212111133131211331333133313331333133313231333133313331323122131   >>    C31321211113313121133133313331333133313331323133313331333132312213   <<    C313212111133131211331333133313331333133313231333133313331323122133   >>      C313212111133131211331333133313331333133313231333133313331323122132   >>