C3132121111133313233121111331333133313331333133313331333133313233231232321   >>    C313212111113331323312111133133313331333133313331333133313331323323123232   <<    C3132121111133313233121111331333133313331333133313331333133313233231232323   >>      C3132121111133313233121111331333133313331333133313331333133313233231232322   >>