C312322331333132212111133133313331333133312121111331333112331333133311223321   >>    C31232233133313221211113313331333133313331212111133133311233133313331122332   <<    C312322331333132212111133133313331333133312121111331333112331333133311223323   >>      C312322331333132212111133133313331333133312121111331333112331333133311223322   >>