C3132121111133313233121111331333133313331333133313331333131133132233132312331   >>    C313212111113331323312111133133313331333133313331333133313113313223313231233   <<    C3132121111133313233121111331333133313331333133313331333131133132233132312333   >>      C3132121111133313233121111331333133313331333133313331333131133132233132312332   >>