C31232233133313221211113313331333132313331323331333132313232232111112131   >>    C3123223313331322121111331333133313231333132333133313231323223211111213   <<    C31232233133313221211113313331333132313331323331333132313232232111112133   >>      C31232233133313221211113313331333132313331323331333132313232232111112132   >>