C1111233131211111211113313331333133313232212111133131133133313331331121321   >>    C111123313121111121111331333133313331323221211113313113313331333133112132   <<    C1111233131211111211113313331333133313232212111133131133133313331331121323   >>      C1111233131211111211113313331333133313232212111133131133133313331331121322   >>