C312322331333132212111133133313331323133313331333133313233213231   >>    C31232233133313221211113313331333132313331333133313331323321323   <<    C312322331333132212111133133313331323133313331333133313233213233   >>      C312322331333132212111133133313331323133313331333133313233213232   >>