C312322331333132212111133133313331323132322331333132322331311311   >>    C31232233133313221211113313331333132313232233133313232233131131   <<    C312322331333132212111133133313331323132322331333132322331311313   >>      C312322331333132212111133133313331323132322331333132322331311312   >>