C1111233131211111211113313331323133313231323223313331323231322321   >>    C111123313121111121111331333132313331323132322331333132323132232   <<    C1111233131211111211113313331323133313231323223313331323231322323   >>      C1111233131211111211113313331323133313231323223313331323231322322   >>