C1111233133313231133133313231333133313113313113313331322331323211321   >>    C111123313331323113313331323133313331311331311331333132233132321132   <<    C1111233133313231133133313231333133313113313113313331322331323211323   >>      C1111233133313231133133313231333133313113313113313331322331323211322   >>