C13223313311212111133133313331323133313331323131133133313231333133322222321   >>    C1322331331121211113313331333132313331333132313113313331323133313332222232   <<    C13223313311212111133133313331323133313331323131133133313231333133322222323   >>      C13223313311212111133133313331323133313331323131133133313231333133322222322   >>