C31232233133313221211113313331333132313331323331333132332233132223311   >>    C3123223313331322121111331333133313231333132333133313233223313222331   <<    C31232233133313221211113313331333132313331323331333132332233132223313   >>      C31232233133313221211113313331333132313331323331333132332233132223312   >>