C312322331333132212111133131133133313331333131131312111111212311   >>    C31232233133313221211113313113313331333133313113131211111121231   <<    C312322331333132212111133131133133313331333131131312111111212313   >>      C312322331333132212111133131133133313331333131131312111111212312   >>