C31232233133313221211113313331333132313331333133313331333133313331123311311   >>    C3123223313331322121111331333133313231333133313331333133313331333112331131   <<    C31232233133313221211113313331333132313331333133313331333133313331123311313   >>      C31232233133313221211113313331333132313331333133313331333133313331123311312   >>