C1111233131211111211113313331333133313232212111133131133133313112131131   >>    C111123313121111121111331333133313331323221211113313113313331311213113   <<    C1111233131211111211113313331333133313232212111133131133133313112131133   >>      C1111233131211111211113313331333133313232212111133131133133313112131132   >>