C1111133313331323223313331333133313331322133313331323231333132212331   >>    C111113331333132322331333133313331333132213331333132323133313221233   <<    C1111133313331323223313331333133313331322133313331323231333132212333   >>      C1111133313331323223313331333133313331322133313331323231333132212332   >>