C1111133313331323223313331333133313331333123313231333132313112122321   >>    C111113331333132322331333133313331333133312331323133313231311212232   <<    C1111133313331323223313331333133313331333123313231333132313112122323   >>      C1111133313331323223313331333133313331333123313231333132313112122322   >>