C1111133313331323223313331333133313331323131323132313331311323222321   >>    C111113331333132322331333133313331333132313132313231333131132322232   <<    C1111133313331323223313331333133313331323131323132313331311323222323   >>      C1111133313331323223313331333133313331323131323132313331311323222322   >>