C312322331333132212111133133313331323133313221211111211111212133311   >>    C31232233133313221211113313331333132313331322121111121111121213331   <<    C312322331333132212111133133313331323133313221211111211111212133313   >>      C312322331333132212111133133313331323133313221211111211111212133312   >>