C13223313311212111133133313331333133313232233133313331323221211111311112321   >>    C1322331331121211113313331333133313331323223313331333132322121111131111232   <<    C13223313311212111133133313331333133313232233133313331323221211111311112323   >>      C13223313311212111133133313331333133313232233133313331323221211111311112322   >>