C22121333132313311211113313331333133313231333133313232313233311   >>    C2212133313231331121111331333133313331323133313331323231323331   <<    C22121333132313311211113313331333133313231333133313232313233313   >>      C22121333132313311211113313331333133313231333133313232313233312   >>