C312322331333132212111133133313331323133313331333133313331333133313233232231   >>    C31232233133313221211113313331333132313331333133313331333133313331323323223   <<    C312322331333132212111133133313331323133313331333133313331333133313233232233   >>      C312322331333132212111133133313331323133313331333133313331333133313233232232   >>