C313212111133131211331333133313331333133311233133313221211111333132322223331   >>    C31321211113313121133133313331333133313331123313331322121111133313232222333   <<    C313212111133131211331333133313331333133311233133313221211111333132322223333   >>      C313212111133131211331333133313331333133311233133313221211111333132322223332   >>