C3123223313331322121111331333133313231333132212113313331323221211111232211   >>    C312322331333132212111133133313331323133313221211331333132322121111123221   <<    C3123223313331322121111331333133313231333132212113313331323221211111232213   >>      C3123223313331322121111331333133313231333132212113313331323221211111232212   >>