C312322331333132212111133133313331323133313221211111211111111331333131133232311   >>    C31232233133313221211113313331333132313331322121111121111111133133313113323231   <<    C312322331333132212111133133313331323133313221211111211111111331333131133232313   >>      C312322331333132212111133133313331323133313221211111211111111331333131133232312   >>