C312322331333132212111133133313331323133313331333132313231232321   >>    C31232233133313221211113313331333132313331333133313231323123232   <<    C312322331333132212111133133313331323133313331333132313231232323   >>      C312322331333132212111133133313331323133313331333132313231232322   >>