C1111233133313231133133313331333133313231232313331333132321333121   >>    C111123313331323113313331333133313331323123231333133313232133312   <<    C1111233133313231133133313331333133313231232313331333132321333123   >>      C1111233133313231133133313331333133313231232313331333132321333122   >>