C22121333132313311211113313331333133313231333133313232313233231   >>    C2212133313231331121111331333133313331323133313331323231323323   <<    C22121333132313311211113313331333133313231333133313232313233233   >>      C22121333132313311211113313331333133313231333133313232313233232   >>