C1111133313331323223313331333133313231333132313331333132233313231   >>    C111113331333132322331333133313331323133313231333133313223331323   <<    C1111133313331323223313331333133313231333132313331333132233313233   >>      C1111133313331323223313331333133313231333132313331333132233313232   >>