C132233133112121111331333133313331323133313211211113313221312111   >>    C13223313311212111133133313331333132313331321121111331322131211   <<    C132233133112121111331333133313331323133313211211113313221312113   >>      C132233133112121111331333133313331323133313211211113313221312112   >>