C1111233131211111211113313331333133313331333133313331333133313331323111113321   >>    C111123313121111121111331333133313331333133313331333133313331333132311111332   <<    C1111233131211111211113313331333133313331333133313331333133313331323111113323   >>      C1111233131211111211113313331333133313331333133313331333133313331323111113322   >>