C132233133112121111331333133313231333133313231133133313331333321221111   >>    C13223313311212111133133313331323133313331323113313331333133332122111   <<    C132233133112121111331333133313231333133313231133133313331333321221113   >>      C132233133112121111331333133313231333133313231133133313331333321221112   >>