C3123223313331322121111331333133313331311331133133313331311331323222122221   >>    C312322331333132212111133133313331333131133113313331333131133132322212222   <<    C3123223313331322121111331333133313331311331133133313331311331323222122223   >>      C3123223313331322121111331333133313331311331133133313331311331323222122222   >>