C3132121111133313233121111331333133313331333133313331333133313232113313232321   >>    C313212111113331323312111133133313331333133313331333133313331323211331323232   <<    C3132121111133313233121111331333133313331333133313331333133313232113313232323   >>      C3132121111133313233121111331333133313331333133313331333133313232113313232322   >>