C31232233133313221211113313331333132313331323331333133313132322321131311   >>    C3123223313331322121111331333133313231333132333133313331313232232113131   <<    C31232233133313221211113313331333132313331323331333133313132322321131313   >>      C31232233133313221211113313331333132313331323331333133313132322321131312   >>