C31232233133313221211113313331333132313331323331333133313233331311   >>    C3123223313331322121111331333133313231333132333133313331323333131   <<    C31232233133313221211113313331333132313331323331333133313233331313   >>      C31232233133313221211113313331333132313331323331333133313233331312   >>