C313212111133131211331333133313331333133313231333132233133322131   >>    C31321211113313121133133313331333133313331323133313223313332213   <<    C313212111133131211331333133313331333133313231333132233133322133   >>      C313212111133131211331333133313331333133313231333132233133322132   >>