C22213331333133313112331323133313331333133313231211111321323221   >>    C2221333133313331311233132313331333133313331323121111132132322   <<    C22213331333133313112331323133313331333133313231211111321323223   >>      C22213331333133313112331323133313331333133313231211111321323222   >>