C31232233133313221211113313331333132313232233133313331211111321231   >>    C3123223313331322121111331333133313231323223313331333121111132123   <<    C31232233133313221211113313331333132313232233133313331211111321233   >>      C31232233133313221211113313331333132313232233133313331211111321232   >>