C1111133313331323223313331333133313331323131211111122112322222311   >>    C111113331333132322331333133313331333132313121111112211232222231   <<    C1111133313331323223313331333133313331323131211111122112322222313   >>      C1111133313331323223313331333133313331323131211111122112322222312   >>