C11111211113313112113313331333132313331322132333133313232323323131   >>    C1111121111331311211331333133313231333132213233313331323232332313   <<    C11111211113313112113313331333132313331322132333133313232323323133   >>      C11111211113313112113313331333132313331322132333133313232323323132   >>