C33331211113313331211113313331333133313332233133112331333131333132321333121   >>    C3333121111331333121111331333133313331333223313311233133313133313232133312   <<    C33331211113313331211113313331333133313332233133112331333131333132321333123   >>      C33331211113313331211113313331333133313332233133112331333131333132321333122   >>