C1111133313331323223313331333133313233232212111133133313111121133131   >>    C111113331333132322331333133313331323323221211113313331311112113313   <<    C1111133313331323223313331333133313233232212111133133313111121133133   >>      C1111133313331323223313331333133313233232212111133133313111121133132   >>