C3123223313331322121111331333133313231323223313331323132333133312231   >>    C312322331333132212111133133313331323132322331333132313233313331223   <<    C3123223313331322121111331333133313231323223313331323132333133312233   >>      C3123223313331322121111331333133313231323223313331323132333133312232   >>