C3132121111133313233121111331333133313331333132313331333133313331333223313111   >>    C313212111113331323312111133133313331333133313231333133313331333133322331311   <<    C3132121111133313233121111331333133313331333132313331333133313331333223313113   >>      C3132121111133313233121111331333133313331333132313331333133313331333223313112   >>