C312322331333132212111133133313331333133312121111331323331121132311   >>    C31232233133313221211113313331333133313331212111133132333112113231   <<    C312322331333132212111133133313331333133312121111331323331121132313   >>      C312322331333132212111133133313331333133312121111331323331121132312   >>