C312322331333132212111133133313231333132333132333132313331323132323321   >>    C31232233133313221211113313331323133313233313233313231333132313232332   <<    C312322331333132212111133133313231333132333132333132313331323132323323   >>      C312322331333132212111133133313231333132333132333132313331323132323322   >>