C312322331333132212111133133313331323133313221211111211113311232311111   >>    C31232233133313221211113313331333132313331322121111121111331123231111   <<    C312322331333132212111133133313331323133313221211111211113311232311113   >>      C312322331333132212111133133313331323133313221211111211113311232311112   >>