C13332313311211113313331333133313331321123133313331313331323231123313222321   >>    C1333231331121111331333133313331333132112313331333131333132323112331322232   <<    C13332313311211113313331333133313331321123133313331313331323231123313222323   >>      C13332313311211113313331333133313331321123133313331313331323231123313222322   >>