C1111233131211111211113313331312111133112113121111331322331323132321   >>    C111123313121111121111331333131211113311211312111133132233132313232   <<    C1111233131211111211113313331312111133112113121111331322331323132323   >>      C1111233131211111211113313331312111133112113121111331322331323132322   >>