C313212111133131211331333133313331333133311233133313331312232132321   >>    C31321211113313121133133313331333133313331123313331333131223213232   <<    C313212111133131211331333133313331333133311233133313331312232132323   >>      C313212111133131211331333133313331333133311233133313331312232132322   >>