C3132121111133313233121111331333133313331333133313331333133313232112323332321   >>    C313212111113331323312111133133313331333133313331333133313331323211232333232   <<    C3132121111133313233121111331333133313331333133313331333133313232112323332323   >>      C3132121111133313233121111331333133313331333133313331333133313232112323332322   >>