C31232233133313221211113313331333132313232233133313231133132232311   >>    C3123223313331322121111331333133313231323223313331323113313223231   <<    C31232233133313221211113313331333132313232233133313231133132232313   >>      C31232233133313221211113313331333132313232233133313231133132232312   >>