C1111233131211111211113313331333133313221211113313331333133313331111321   >>    C111123313121111121111331333133313331322121111331333133313331333111132   <<    C1111233131211111211113313331333133313221211113313331333133313331111323   >>      C1111233131211111211113313331333133313221211113313331333133313331111322   >>