C222123232321333131133133313331323133313231323231312323221313222321   >>    C22212323232133313113313331333132313331323132323131232322131322232   <<    C222123232321333131133133313331323133313231323231312323221313222323   >>      C222123232321333131133133313331323133313231323231312323221313222322   >>