C222123232321333131133133313331323133313231323231312323232212112321   >>    C22212323232133313113313331333132313331323132323131232323221211232   <<    C222123232321333131133133313331323133313231323231312323232212112323   >>      C222123232321333131133133313331323133313231323231312323232212112322   >>