C31232233133313221211113313331333132313331121133132313231323311   >>    C3123223313331322121111331333133313231333112113313231323132331   <<    C31232233133313221211113313331333132313331121133132313231323313   >>      C31232233133313221211113313331333132313331121133132313231323312   >>