C11111211113313112113313331333132313331322121111132322132323221   >>    C1111121111331311211331333133313231333132212111113232213232322   <<    C11111211113313112113313331333132313331322121111132322132323223   >>      C11111211113313112113313331333132313331322121111132322132323222   >>