C22121333132313311211113313331333133313121111331333133313231333132313231323231   >>    C2212133313231331121111331333133313331312111133133313331323133313231323132323   <<    C22121333132313311211113313331333133313121111331333133313231333132313231323233   >>      C22121333132313311211113313331333133313121111331333133313231333132313231323232   >>