C1111133313331323223313331333133313113313231333132213331323132312323221   >>    C111113331333132322331333133313331311331323133313221333132313231232322   <<    C1111133313331323223313331333133313113313231333132213331323132312323223   >>      C1111133313331323223313331333133313113313231333132213331323132312323222   >>