C1111133313331323223313331333133313112331322121111331313331323221132311   >>    C111113331333132322331333133313331311233132212111133131333132322113231   <<    C1111133313331323223313331333133313112331322121111331313331323221132313   >>      C1111133313331323223313331333133313112331322121111331313331323221132312   >>