C132233133112121111331333133313331323133313211211111121133131333133322121   >>    C13223313311212111133133313331333132313331321121111112113313133313332212   <<    C132233133112121111331333133313331323133313211211111121133131333133322123   >>      C132233133112121111331333133313331323133313211211111121133131333133322122   >>