C313212111133131211331333133313331333133311233133313221211111333133313331323131   >>    C31321211113313121133133313331333133313331123313331322121111133313331333132313   <<    C313212111133131211331333133313331333133311233133313221211111333133313331323133   >>      C313212111133131211331333133313331333133311233133313221211111333133313331323132   >>