C13223313311212111133133313331333133313232233133313331333132223213221   >>    C1322331331121211113313331333133313331323223313331333133313222321322   <<    C13223313311212111133133313331333133313232233133313331333132223213223   >>      C13223313311212111133133313331333133313232233133313331333132223213222   >>