C222133313331333131123313231333133313331333132331211111232323132223221   >>    C22213331333133313112331323133313331333133313233121111123232313222322   <<    C222133313331333131123313231333133313331333132331211111232323132223223   >>      C222133313331333131123313231333133313331333132331211111232323132223222   >>