C333312111133133312111133133313331333132233133112111133132212112121   >>    C33331211113313331211113313331333133313223313311211113313221211212   <<    C333312111133133312111133133313331333132233133112111133132212112123   >>      C333312111133133312111133133313331333132233133112111133132212112122   >>