C11112331333132311331333133313331323133313332113313221121132321   >>    C1111233133313231133133313331333132313331333211331322112113232   <<    C11112331333132311331333133313331323133313332113313221121132323   >>      C11112331333132311331333133313331323133313332113313221121132322   >>