C31232233133313221211113313331333132313232233133313331311113322131   >>    C3123223313331322121111331333133313231323223313331333131111332213   <<    C31232233133313221211113313331333132313232233133313331311113322133   >>      C31232233133313221211113313331333132313232233133313331311113322132   >>