C222123232321333131133133313331323133313231323133311322123113233321   >>    C22212323232133313113313331333132313331323132313331132212311323332   <<    C222123232321333131133133313331323133313231323133311322123113233323   >>      C222123232321333131133133313331323133313231323133311322123113233322   >>