C13223313311212111133133313331333133313232233133313331323221211111333232321   >>    C1322331331121211113313331333133313331323223313331333132322121111133323232   <<    C13223313311212111133133313331333133313232233133313331323221211111333232323   >>      C13223313311212111133133313331333133313232233133313331323221211111333232322   >>