C31232233133313221211113313331333132313331333133313233313133311   >>    C3123223313331322121111331333133313231333133313331323331313331   <<    C31232233133313221211113313331333132313331333133313233313133313   >>      C31232233133313221211113313331333132313331333133313233313133312   >>