C22121333132313311211113313331333132233131133133313331323221333133313231312331   >>    C2212133313231331121111331333133313223313113313331333132322133313331323131233   <<    C22121333132313311211113313331333132233131133133313331323221333133313231312333   >>      C22121333132313311211113313331333132233131133133313331323221333133313231312332   >>