C3132121111133313233121111331333133313331333133313331333132313212331   >>    C313212111113331323312111133133313331333133313331333133313231321233   <<    C3132121111133313233121111331333133313331333133313331333132313212333   >>      C3132121111133313233121111331333133313331333133313331333132313212332   >>