C1111233133313231133133313331333133313231323112331333131323133313133112321   >>    C111123313331323113313331333133313331323132311233133313132313331313311232   <<    C1111233133313231133133313331333133313231323112331333131323133313133112323   >>      C1111233133313231133133313331333133313231323112331333131323133313133112322   >>