C31232233133313221211113313331333132313331322121133133313331331121311311   >>    C3123223313331322121111331333133313231333132212113313331333133112131131   <<    C31232233133313221211113313331333132313331322121133133313331331121311313   >>      C31232233133313221211113313331333132313331322121133133313331331121311312   >>